238 lines
7.4 KiB
Ruby
238 lines
7.4 KiB
Ruby
# menubutton.rb
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#
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# This demonstration script creates a window with a bunch of menus
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# and cascaded menus using menubuttons.
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require "tkcanvas"
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def optionMenu(menubutton, varName, firstValue, *rest)
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varName.value = firstValue
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configoptions = {'textvariable'=>varName,'indicatoron'=>'on',
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'relief'=>'raised','borderwidth'=>2,'highlightthickness'=>2,
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'anchor'=>'c','direction'=>'flush'}
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configoptions.each {|key, value|
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menubutton.configure(key, value)
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}
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menu = TkMenu.new(menubutton) {
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tearoff 'off'
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add 'radio', 'label'=>firstValue, 'variable'=>varName
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}
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menubutton.menu(menu)
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for i in rest
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menu.add 'radio', 'label'=>i, 'variable'=>varName
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end
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return menu
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end
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if defined?($menubu_demo) && $menubu_demo
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$menubu_demo.destroy
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$menubu_demo = nil
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end
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$menubu_demo = TkToplevel.new {|w|
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title("Menu Button Demonstration")
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iconname("menubutton")
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}
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positionWindow($menubu_demo)
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base_frame = TkFrame.new($menubu_demo).pack(:fill=>:both, :expand=>true)
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# version check
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if $tk_version.to_f < 8.0
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# label
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TkLabel.new(base_frame,'font'=>$font,'wraplength'=>'4i','justify'=>'left') {
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text("This is a demonstration of menubuttons. The \"Below\" menubutton pops its menu below the button; the \"Right\" button pops to the right, etc. There are two option menus directly below this text; one is just a standard menu and the other is a 16-color palette.")
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}.pack('side'=>'top')
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# frame
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TkFrame.new(base_frame) {|frame|
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TkButton.new(frame) {
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text 'Dismiss'
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command proc{
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tmppath = $menubu_demo
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$menubu_demo = nil
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tmppath.destroy
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}
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}.pack('side'=>'left', 'expand'=>'yes')
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TkButton.new(frame) {
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text 'Show Code'
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command proc{showCode 'menubu'}
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}.pack('side'=>'left', 'expand'=>'yes')
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}.pack('side'=>'bottom', 'fill'=>'x', 'pady'=>'2m')
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else ; # Tk8.x
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body = TkFrame.new(base_frame)
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body.pack('expand'=>'yes', 'fill'=>'both')
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below = TkMenubutton.new(body) {
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text "Below"
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underline 0
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direction 'below'
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relief 'raised'
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}
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belowMenu = TkMenu.new(below) {
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tearoff 0
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add 'command', 'label'=>"Below menu: first item", 'command'=>proc {puts "\"You have selected the first item from the Below menu.\""}
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add 'command', 'label'=>"Below menu: second item", 'command'=>proc {puts "\"You have selected the second item from the Below menu.\""}
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}
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below.menu(belowMenu)
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below.grid('row'=>0, 'column'=>1, 'sticky'=>'n')
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below = TkMenubutton.new(body) {
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text "Below"
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underline 0
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direction 'below'
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relief 'raised'
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}
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belowMenu = TkMenu.new(below) {
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tearoff 0
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add 'command', 'label'=>"Below menu: first item", 'command'=>proc {puts "\"You have selected the first item from the Below menu.\""}
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add 'command', 'label'=>"Below menu: second item", 'command'=>proc {puts "\"You have selected the second item from the Below menu.\""}
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}
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below.menu(belowMenu)
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below.grid('row'=>0, 'column'=>1, 'sticky'=>'n')
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below = TkMenubutton.new(body) {
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text "Below"
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underline 0
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direction 'below'
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relief 'raised'
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}
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belowMenu = TkMenu.new(below) {
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tearoff 0
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add 'command', 'label'=>"Below menu: first item", 'command'=>proc {puts "\"You have selected the first item from the Below menu.\""}
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add 'command', 'label'=>"Below menu: second item", 'command'=>proc {puts "\"You have selected the second item from the Below menu.\""}
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}
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below.menu(belowMenu)
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below.grid('row'=>0, 'column'=>1, 'sticky'=>'n')
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right = TkMenubutton.new(body) {
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text "Right"
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underline 0
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direction 'right'
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relief 'raised'
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}
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rightMenu = TkMenu.new(right) {
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tearoff 0
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add 'command', 'label'=>"Right menu: first item", 'command'=>proc {puts "\"You have selected the first item from the Left menu.\""}
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add 'command', 'label'=>"Right menu: second item", 'command'=>proc {puts "\"You have selected the second item from the Right menu.\""}
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}
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right.menu(rightMenu)
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right.grid('row'=>1, 'column'=>0, 'sticky'=>'w')
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left = TkMenubutton.new(body) {
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text "Left"
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underline 0
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direction 'left'
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relief 'raised'
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}
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leftMenu = TkMenu.new(left) {
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tearoff 0
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add 'command', 'label'=>"Left menu: first item", 'command'=>proc {puts "\"You have selected the first item from the Left menu.\""}
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add 'command', 'label'=>"Left menu: second item", 'command'=>proc {puts "\"You have selected the second item from the Left menu.\""}
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}
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left.menu(leftMenu)
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left.grid('row'=>1, 'column'=>2, 'sticky'=>'e')
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center = TkFrame.new(body) {
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grid('row'=>1, 'column'=>1, 'sticky'=>'news')
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}
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above = TkMenubutton.new(body) {
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text "Above"
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underline 0
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direction 'above'
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relief 'raised'
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}
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aboveMenu = TkMenu.new(above) {
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tearoff 0
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add 'command', 'label'=>"Above menu: first item", 'command'=>proc {puts "\"You have selected the first item from the Above menu.\""}
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add 'command', 'label'=>"Above menu: second item", 'command'=>proc {puts "\"You have selected the second item from the Above menu.\""}
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}
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above.menu(aboveMenu)
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above.grid('row'=>2, 'column'=>1, 'sticky'=>'s')
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center = TkFrame.new(body) {
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grid('row'=>1, 'column'=>1, 'sticky'=>'news')
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}
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TkFrame.new(base_frame) {|frame|
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TkButton.new(frame) {
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text 'Dismiss'
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command proc {
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tmppath = $menubu_demo
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$menubu_demo = nil
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tmppath.destroy
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}
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}.pack('side'=>'left', 'expand'=>'yes')
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TkButton.new(frame) {
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text 'Show Code'
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command proc { showCode 'menubu' }
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}.pack('side'=>'left', 'expand'=>'yes')
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}.pack('side'=>'bottom', 'expand'=>'yes', 'fill'=>'x', 'pady'=>'2m')
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msg = TkLabel.new(center) {
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# font $font
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wraplength '4i'
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justify 'left'
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text "This is a demonstration of menubuttons. The \"Below\" menubutton pops its menu below the button; the \"Right\" button pops to the right, etc. There are two option menus directly below this text; one is just a standard menu and the other is a 16-color palette."
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}
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msg.pack('side'=>'top', 'padx'=>25, 'pady'=>25)
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TkFrame.new(center) {|f|
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menubuttonoptions = TkVariable.new
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mbutton = TkMenubutton.new(f)
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options = optionMenu(mbutton, menubuttonoptions,
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'one', 'two', 'three')
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mbutton.pack('side'=>'left', 'padx'=>25, 'pady'=>25)
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paletteColor = TkVariable.new
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colors = ['Black','red4','DarkGreen','NavyBlue', 'gray75',
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'Red','Green','Blue','gray50','Yellow','Cyan','Magenta',
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'White','Brown','DarkSeaGreen','DarkViolet']
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colorMenuButton = TkMenubutton.new(f)
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m = optionMenu(colorMenuButton, paletteColor, *colors)
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begin
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windowingsystem = Tk.windowingsystem()
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rescue
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windowingsystem = ""
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end
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if windowingsystem == "classic" || windowingsystem == "aqua"
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topBorderColor = 'Black'
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bottomBorderColor = 'Black'
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else
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topBorderColor = 'gray50'
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bottomBorderColor = 'gray75'
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end
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for i in 0..15
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image = TkPhotoImage.new('height'=>16, 'width'=>16)
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image.put(topBorderColor, 0, 0, 16, 1)
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image.put(topBorderColor, 0, 1, 1, 16)
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image.put(bottomBorderColor, 0, 15, 16, 16)
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image.put(bottomBorderColor, 15, 1, 16, 16)
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image.put(colors[i], 1, 1, 15, 15)
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selectimage = TkPhotoImage.new('height'=>16, 'width'=>16)
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selectimage.put('Black', 0, 0, 16, 2)
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selectimage.put('Black', 0, 2, 2, 16)
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selectimage.put('Black', 2, 14, 16, 16)
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selectimage.put('Black', 14, 2, 16, 14)
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selectimage.put(colors[i], 2, 2, 14, 14)
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m.entryconfigure(i, 'image'=>image, 'selectimage'=>selectimage, 'hidemargin'=>'on')
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end
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m.configure('tearoff', 'on')
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for c in ['Black', 'gray75', 'gray50', 'White']
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m.entryconfigure(c, 'columnbreak'=>1)
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end
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colorMenuButton.pack('side'=>'left', 'padx'=>25, 'pady'=>25)
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pack 'padx'=>25, 'pady'=>25
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}
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end ; # Tk8.x
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